Blogs

SOBRE ESTE BLOG

I'm a well-known mainframe performance guy, with almost 30 years of experience helping customers manage systems. I also dabble in lots of other technology. I've sought to widen the Performance role, incorporating aspects of infrastructural architecture.

With apologies to cat keepers everywhere (of whom I'm one). Most of my reporting - when not graphical using GDDM - is created using Bookmaster. This looks in many ways like HTML and is another declarative markup language for text. It used to be what most IBM publications (including Redbooks) are written in. And customers bought Bookmaster (and DCF / Script/VS), embedding it into the... [More]

JVM-based languages have an interesting property for z/OS programmers: They are zAAP-eligible. As we all know zAAP Eligibility brings a number of benefits - including the licence charge benefits and the ability to run on a full-speed processor even when your general-purpose processors are subcapacity ones. (I'll briefly mention zAAP-on-zIIP here for completeness, and then move on.) You... [More]